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Capacity reservation in offshore pipelines
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dongenergy.com

Capacity reservation in offshore pipelines

Gas consumed in Denmark, Sweden and parts of Northern Germany originates from the gas producing fields in Danish sector of the North Sea and is piped from these fields to Nybro gas treatment plant located on the Danish west coast.

DONG Naturgas offers access to its offshore pipelines and Nybro gas treatment plant for third parties requiring to ship gas from the producing fields to the market.

Please, refer to the link Gas System at the right hand side, which shows available offshore Delivery Points for third party access connected directly to the Danish market at the Redelivery Point Nybro. It is however a precondition for access that certain necessary requirements are fulfilled at the Delivery Points.

Tariffs
Shippers pay a dual tariff for transportation:

1. A Capacity Tariff ('send or pay' tariff), which is the summation of the annual entry and exit tariffs stipulated in the table:

Capacity tariff valid from 1 January 2012
DKK per m 3 /day per year
Delivery Point
Tyra East
South Arne
Harald
- Annual entry tariff
0
0
0
Redelivery Point
Nybro 1
Nybro 2
- Annual exit tariff
29.09
29.09 
m 3 shall correspond to the volume of gas which at 0°C and an absolute pressure of 1.01325 bar and without water vapor occupies the volume of one cubic metre, i.e. Nm 3 (normal cubic metre).

2. An on account Volume Tariff per m3 delivered at the Delivery Point:

Volume Tariffs valid from 1 January 2012
DKK per m 3
Delivery Point
Tyra East
South Arne
Harald
- Volume Tariff
0.02777
0.02777
0.02777
The basis for the Volume Tariffs are budgeted operational & maintenance expenses of 112.38 mill. DKK for 2012 divided by a transported volume forecast for 2012 of 4.046 mill. m 3.

The Capacity Tariffs are indexed every 1. January in accordance with the Danish consumer price index.

The Volume Tariffs are adjusted every 1 January based on DONG Naturgas' budget for operational & maintenance expenses divided by the forecast for transported volumes for the forthcoming year as an on account payment. By the end of the year upon closure of the books, DONG Naturgas will recalculate the exact Volume Tariffs based on realized operational & maintenance expenses divided by realized transported volumes. Any over or under payment in relation hereto will be reimbursed by DONG Naturgas or paid by the Shipper.

Bookings are always made in energy unit (i.e. kwh per day) and the following conversion factors between m3 and kwh - reflecting the actual observed average gross calorific value at the Delivery Point - shall apply. Conversion factors will however be subject to changes should the observed average gross calorific value change.

Conversion factors
kWh per m 3
Delivery Point
Tyra East
South Arne
Harald
- Conversion factor
12.1
12.5
N/A

DONG Naturgas does also offer standard transportation contracts with shorter durations, however of not less than 30 days or one calendar month. The tariffs covering a standard short transportation contract can be calculated as the annual tariff divided by 365 and multiplied by the number of days covered by the contract.

Other prices related to Shipper’s sale or purchase of unbalance gas and delivery of off-spec gas:

Other prices valid from 1 October 2011
DKK per kWh
Minimum Selling Price
0.23
Maximum Purchase Price
0.12
Off-spec Gas Fee
0.006

Capacities
Nominal transportation capacities are shown in the table:

Nominal Capacities
All capacities in million m 3 /day
Delivery Point
Tyra East
South Arne
Harald
- entry capacity
26
13
Redelivery Point
Nybro 1
Nybro 2
- exit capacity
25
6.5

DONG Naturgas is co-owner of a gas pipeline from the Tyra West platform to the F3 platform in Dutch sector. The nominal transportation capacity of said pipeline is 16.5 million m3 per day. Fifty percentage of this capacity is disposed of by DONG Naturgas.

Available capacities for third parties to book on an annual, uninterruptible basis are:

Information as of January 2012, valid until updated
Available Capacities
All capacities in million m 3 /day
Delivery Point
Tyra East
South Arne
Harald
- entry capacity
6.0
12.0
Redelivery Point
Nybro 1
Nybro 2
- exit capacity
5.0
5.5

Terms and Conditions including Appendices pertaining to a standard transportation contract can be found in pdf versions as a link to the right.

Booking Procedure
Third parties may initiate a non-binding booking procedure (pre-booking) by down loading the request form (cf. link to pdf version to the right), fill it in and send it by email or posted letter to DONG Naturgas.

The time stamp of DONG Naturgas' electronic mail programme or the time stamp of a posted letter of a correct filled-in request form serves as documentation of 'first come' among third parties who have pre-booked.

The sender of the request form will receive a receipt from DONG Naturgas including the following information:

  1. Confirmation of the pre-booking.
  2. Time stamp documenting the reception of the pre-booking.
  3. Available capacity in the pre-booked booking period on the time of reception of the pre-booking.
  4. Specification of the status of the pre-booking in relation to available capacity.

The pre-booking expires two days prior to the commencement date of the pre-booked booking period, however not later than 30 days after the time stamp and a transportation contract must be closed prior to expiration in accordance with time windows where transportation contracts can be closed.

Pre-booking of capacity of one or multiple year duration will always receive an earlier time stamp than a pre-booking of capacity of shorter duration (less than one year) irrespective of its time stamp.

Pre-bookings may also expire without closure of a transportation contract.

Amendments to information 4) will on a continuing basis be announced to the sender.
 
The license holders of E&P licenses under development may submit to DONG Naturgas a request for non-binding pre-booking of capacity as a basis for an investment decision. Such pre-bookings will always be time limited.

Closing of Contracts
Prior to closing a transportation contract, the shipper must fulfil the required financial and insurance measures stipulated in Appendix A. Calculation of the amount required for granting of credit can be found in Appendix A with the application of the following gas price:

Gas price valid from 1 October 2011

DKK per MWh

TTF-price

210

Transportation contracts of durations of one or multiple years can be closed at any time according to "first come - first served" principle (FCFS), cf. Booking Procedure. It is however a condition that the booked capacity is constant for at least 12 consecutive months and that the booking period commences in the period 1 May to 1 October.

Transportation contracts of shorter duration can only be closed during the following time windows:

  • Transportation contracts with a booking period falling in the months of May to September can be closed from 16 April to end August according to the FCFS principle (i.e. up to maximal 4½ month in advance).
  • Transportation contracts with a booking period falling in the months of October to April can be closed from 16 September to end March according to the FCFS principle (i.e. up to maximal 6½ month in advance).

Commencement of Transportation
The following dead lines must be observed prior to transportation of gas starting in the first hour of gas day D (i.e. at 06:00 hours on gas day D):

  • The transportation contract must be duly signed by both parties during ordinary work days at least two days prior to gas day D and timely enough for DONG personnel to code transportation data into the IT-system before 17:00 hours the same day.
  • The shipper must nominate on the transportation contract prior to 14:00 hours on day D-1
 

Related material

Terms and Conditions
Gas System
Request
  Appendix A
Appendix B
  Appendix C
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